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/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
*
* ev_keymap.h
* Defines the structure used for parsing keymappings. These structures
* and definitions are used by event sources in the kernel and by
* applications and utilities which manipulate keymaps.
*
* HISTORY
* 02-Jun-1992 Mike Paquette at NeXT
* Created.
*/
#import <bsd/dev/ev_types.h> /* Kernel keymap, keyboard info */
#define NX_NUMKEYCODES 128 /* Highest key code is 0x7f */
#define NX_NUMSEQUENCES 128 /* Maximum possible number of sequences */
#define NX_NUMMODIFIERS 16 /* Maximum number of modifier bits */
#define NX_BYTE_CODES 0 /* If first short 0, all are bytes (else shorts) */
#define NX_WHICHMODMASK 0x0f /* bits out of keyBits for bucky bits */
#define NX_MODMASK 0x10 /* Bit out of keyBits indicates modifier bit */
#define NX_CHARGENMASK 0x20 /* bit out of keyBits for char gen */
#define NX_SPECIALKEYMASK 0x40 /* bit out of keyBits for specialty key */
#define NX_KEYSTATEMASK 0x80 /* OBSOLETE - DO NOT USE IN NEW DESIGNS */
/*
* Special keys currently known to and understood by the system.
* If new specialty keys are invented, extend this list as appropriate.
* The presence of these keys in a particular implementation is not
* guaranteed.
*/
#define NX_NOSPECIALKEY 0xFFFF
#define NX_KEYTYPE_SOUND_UP 0 /* Processed by kernel */
#define NX_KEYTYPE_SOUND_DOWN 1 /* Processed by kernel */
#define NX_KEYTYPE_BRIGHTNESS_UP 2 /* Processed by kernel */
#define NX_KEYTYPE_BRIGHTNESS_DOWN 3 /* Processed by kernel */
#define NX_KEYTYPE_CAPS_LOCK 4 /* Processed by kernel */
#define NX_KEYTYPE_HELP 5
#define NX_POWER_KEY 6
#define NX_UP_ARROW_KEY 7
#define NX_DOWN_ARROW_KEY 8
#define NX_NUMSPECIALKEYS 9 /* Maximum number of special keys */
/* on the 68k, the power key is handled specially... we don't want it scanned*/
#ifdef __m68k__
#define NX_NUM_SCANNED_SPECIALKEYS 5 /* First 5 special keys are */
/* actively scanned in kernel */
#else
#define NX_NUM_SCANNED_SPECIALKEYS 7 /* First 7 special keys are */
/* actively scanned in kernel */
#endif
/* Modifier key indices into modDefs[] */
#define NX_MODIFIERKEY_ALPHALOCK 0
#define NX_MODIFIERKEY_SHIFT 1
#define NX_MODIFIERKEY_CONTROL 2
#define NX_MODIFIERKEY_ALTERNATE 3
#define NX_MODIFIERKEY_COMMAND 4
#define NX_MODIFIERKEY_NUMERICPAD 5
#define NX_MODIFIERKEY_HELP 6
typedef struct _NXParsedKeyMapping_ {
/* If nonzero, all numbers are shorts; if zero, all numbers are bytes*/
short shorts;
/*
* For each keycode, low order bit says if the key
* generates characters.
* High order bit says if the key is assigned to a modifier bit.
* The second to low order bit gives the current state of the key.
*/
char keyBits[NX_NUMKEYCODES];
/* Bit number of highest numbered modifier bit */
int maxMod;
/* Pointers to where the list of keys for each modifiers bit begins,
* or NULL.
*/
unsigned char *modDefs[NX_NUMMODIFIERS];
/* Key code of highest key deinfed to generate characters */
int numDefs;
/* Pointer into the keyMapping where this key's definitions begin */
unsigned char *keyDefs[NX_NUMKEYCODES];
/* number of sequence definitions */
int numSeqs;
/* pointers to sequences */
unsigned char *seqDefs[NX_NUMSEQUENCES];
/* Special key definitions */
int numSpecialKeys;
/* Special key values, or 0xFFFF if none */
unsigned short specialKeys[NX_NUMSPECIALKEYS];
/* Pointer to the original keymapping string */
unsigned char *mapping;
/* Length of the original string */
int mappingLen;
} NXParsedKeyMapping;
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